最近用戶在做備份審核，發現了很多問題。恰好通過這次審核，優化了備份腳本。分享給需要的朋友

環境說明：備份發起在備庫執行，這樣降低主庫資源消耗（確實因為這個出過問題，頭疼啊）

Oracle 19c

單節點執行即可，注意需要配置賬號和密碼

全備Leve0

#!/bin/bash
ORACLE_HOME=/u01/app/oracle/product/19/dbhome_1
export ORACLE_HOME
ORACLE_SID=test
export ORACLE_SID

MAILTO=ttttt@qq.com
 
EXECDATE=`date +"%y%m%d%H%M%S"`
BACKUPNAME=`date +"20%y%m%d"`
#echo `date +"20%y%m%d"`
mkdir /backup/$BACKUPNAME
#SUBJECT="$ORACLE_SID @ `hostname` DB Backup $EXECDATE"

RMAN_LOG_FILE=/backup/log/$ORACLE_SID$EXECDATE.out
RMAN=$ORACLE_HOME/bin/rman

TARGET_CONNECT_STR=sys/Password@oraclesid
DESTINATION=/backup/$BACKUPNAME

echo ==== started on `date` ==== >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE

#find /backup -name 
#rm $DESTINATION/*

$RMAN target $TARGET_CONNECT_STR nocatalog log $RMAN_LOG_FILE <<EOF
RUN {
ALLOCATE CHANNEL ch00 TYPE disk MAXPIECESIZE=8000M;
ALLOCATE CHANNEL ch01 TYPE disk MAXPIECESIZE=8000M;
ALLOCATE CHANNEL ch02 TYPE disk MAXPIECESIZE=8000M;
ALLOCATE CHANNEL ch03 TYPE disk MAXPIECESIZE=8000M;
ALLOCATE CHANNEL ch04 TYPE disk MAXPIECESIZE=8000M;
ALLOCATE CHANNEL ch05 TYPE disk MAXPIECESIZE=8000M;
ALLOCATE CHANNEL ch06 TYPE disk MAXPIECESIZE=8000M;
ALLOCATE CHANNEL ch07 TYPE disk MAXPIECESIZE=8000M;
crosscheck copy;
delete noprompt expired copy;
crosscheck backup;
delete noprompt expired backup;
DELETE FORCE NOPROMPT BACKUP DEVICE TYPE DISK COMPLETED BEFORE 'SYSDATE-1';
delete noprompt obsolete;
BACKUP as compressed backupset incremental level 0 
FORMAT '$DESTINATION/lev0_%U.bkp' database; 
backup as compressed backupset archivelog all format '$DESTINATION/arch_%U.bkp';
crosscheck archivelog all;
delete noprompt archivelog until time 'sysdate-1';
backup current controlfile format '$DESTINATION/%d_CTRL_%U.bak';
backup spfile format '$DESTINATION/%d_SPFILE_%U.bak';
RELEASE CHANNEL ch00;
RELEASE CHANNEL ch01;
RELEASE CHANNEL ch02;
RELEASE CHANNEL ch03;
RELEASE CHANNEL ch04;
RELEASE CHANNEL ch05;
RELEASE CHANNEL ch06;
RELEASE CHANNEL ch07;
}
exit;
EOF

echo >> $RMAN_LOG_FILE
df -h >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE

cp $RMAN_LOG_FILE $DESTINATION

mail -s "[ip] ERPDB Status:Success" $MAILTO<<EOF
....`date`...
[ip] ERPDB Status:Success

`tail -100 $RMAN_LOG_FILE`
EOF

增量備份

#!/bin/bash
ORACLE_HOME=/u01/app/oracle/product/19/dbhome_1
export ORACLE_HOME
ORACLE_SID=test
export ORACLE_SID

MAILTO=ttttttttt@qq.com
 
EXECDATE=`date +"%y%m%d%H%M%S"`
BACKUPNAME=`date +"20%y%m%d"`
#echo `date +"20%y%m%d"`
mkdir /backup/$BACKUPNAME
#SUBJECT="$ORACLE_SID @ `hostname` DB Backup $EXECDATE"

RMAN_LOG_FILE=/backup/log/$ORACLE_SID$EXECDATE.out
RMAN=$ORACLE_HOME/bin/rman

TARGET_CONNECT_STR=sys/Password@testORACLE_SID
DESTINATION=/backup/$BACKUPNAME

echo ==== started on `date` ==== >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE

#find /backup -name 
#rm $DESTINATION/*

$RMAN target $TARGET_CONNECT_STR nocatalog log $RMAN_LOG_FILE <<EOF
RUN {
ALLOCATE CHANNEL ch00 TYPE disk MAXPIECESIZE=6000M;
ALLOCATE CHANNEL ch01 TYPE disk MAXPIECESIZE=6000M;
ALLOCATE CHANNEL ch02 TYPE disk MAXPIECESIZE=6000M;
ALLOCATE CHANNEL ch03 TYPE disk MAXPIECESIZE=6000M;
ALLOCATE CHANNEL ch04 TYPE disk MAXPIECESIZE=6000M;
crosscheck copy;
delete noprompt expired copy;
crosscheck backup;
delete noprompt expired backup;
DELETE FORCE NOPROMPT BACKUP DEVICE TYPE DISK COMPLETED BEFORE 'SYSDATE-2';
delete noprompt obsolete;
sql 'alter system archive log current';
BACKUP as compressed backupset incremental level 1 
FORMAT '$DESTINATION/lev1_%U.bkp' database; 
sql 'alter system archive log current';
backup as compressed backupset archivelog all format '$DESTINATION/arch_%U.bkp';
crosscheck archivelog all;
delete noprompt archivelog until time 'sysdate-1';
BACKUP CURRENT CONTROLFILE FORMAT '$DESTINATION/control_%U_%t.bkp';
RELEASE CHANNEL ch00;
RELEASE CHANNEL ch01;
RELEASE CHANNEL ch02;
RELEASE CHANNEL ch03;
RELEASE CHANNEL ch04;
}
exit;
EOF

echo >> $RMAN_LOG_FILE
df -h >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE
echo >> $RMAN_LOG_FILE

echo ==== ended on `date` ==== >> $RMAN_LOG_FILE
cp $RMAN_LOG_FILE $DESTINATION

mail -s "[ip ] ERPDB Status:Success" $MAILTO<<EOF
....`date`... 
[ip ] ERPDB Status:Success

`tail -100 $RMAN_LOG_FILE`
EOF